def thumbnail(self, context=None, size='thumbnail'):
if not context:
context = self.context
for key, doc in context.items():
if not IImage.providedBy(doc):
continue
scale = getMultiAdapter((doc, self.request), name=u'scale')
thumb = scale.publishTraverse(self.request, size)
if thumb.getSize():
return zapi.absoluteURL(doc, self.request)
return ''
def thumbnail(self, context=None, size='thumbnail', from_parent=False):
if not context:
context = self.context
for key, doc in context.items():
if key == 'icon.png':
continue
if not IImage.providedBy(doc):
continue
scale = getMultiAdapter((doc, self.request), name=u'scale')
try:
thumb = scale.publishTraverse(self.request, size)
except Exception, err:
thumb = ''
if thumb and thumb.getSize():
return zapi.absoluteURL(doc, self.request)
def _cleanup(self, **kwargs):
""" Cleanup thumbs
"""
index = 0
now = datetime.now(bucharest)
logger.info('cleanup old images started ...')
geQuery = Le('stiam.ro.effective', now)
query = SearchQuery(geQuery)
brains = query.apply()
intids = queryUtility(IIntIds)
if not intids:
logger.warn('No intids utility. Cleanup aborted.')
return index
for docid in brains:
try:
doc = intids.getObject(docid)
except KeyError, err:
logger.exception(err)
continue
for image in doc.values():
if not IImage.providedBy(image):
continue
if IBlobImage.providedBy(image):
continue
try:
del doc[image.__name__]
except Exception, err:
logger.exception(err)
continue
index += 1
# Transaction commit
if index % 20 == 0:
logger.info('Commit transaction %s', index)
transaction.commit()